Behrens, B. J., & Beinert, H. (2014). Physical agents: Theory and practice (Third edition.). F. A. Davis Company.
芝加哥风格引文Behrens, Barbara J., 与 Holly Beinert. Physical Agents: Theory and Practice. Third edition. Philadelphia, Pennsylvania: F. A. Davis Company, 2014.
MLA引文Behrens, Barbara J., 与 Holly Beinert. Physical Agents: Theory and Practice. Third edition. F. A. Davis Company, 2014.
警告：这些引文格式不一定是100％准确.